265141049 has 2 divisors, whose sum is σ = 265141050. Its totient is φ = 265141048.

The previous prime is 265141039. The next prime is 265141069. The reversal of 265141049 is 940141562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142086400 + 123054649 = 11920^2 + 11093^2 .

It is a cyclic number.

It is not a de Polignac number, because 265141049 - 2¹² = 265136953 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (265141039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132570524 + 132570525.

It is an arithmetic number, because the mean of its divisors is an integer number (132570525).

Almost surely, 2^265141049 is an apocalyptic number.

It is an amenable number.

265141049 is a deficient number, since it is larger than the sum of its proper divisors (1).

265141049 is an equidigital number, since it uses as much as digits as its factorization.

265141049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 265141049 is about 16283.1523053738. The cubic root of 265141049 is about 642.4297683986.

The spelling of 265141049 in words is "two hundred sixty-five million, one hundred forty-one thousand, forty-nine".